package com.stu.vertx.hello.testDemo;

/**
 * @author lscl
 * @version 1.0
 * @intro:
 */
public class Demo05_静态代码块 {



    public static void main(String[] args) {
        new A();
        new A();
    }
}

class A {
    static {
        System.out.println("1");
    }
    public A() {
        System.out.println("2");
    }
    {
        System.out.println(3);
    }
}